1685050372 has 6 divisors (see below), whose sum is σ = 2948838158. Its totient is φ = 842525184.

The previous prime is 1685050369. The next prime is 1685050379. The reversal of 1685050372 is 2730505861.

It can be written as a sum of positive squares in only one way, i.e., 1594724356 + 90326016 = 39934^2 + 9504^2 .

It is not an unprimeable number, because it can be changed into a prime (1685050379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210631293 + ... + 210631300.

Almost surely, 2^1685050372 is an apocalyptic number.

It is an amenable number.

1685050372 is a deficient number, since it is larger than the sum of its proper divisors (1263787786).

1685050372 is a wasteful number, since it uses less digits than its factorization.

1685050372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421262597 (or 421262595 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1685050372 is about 41049.3650620810. The cubic root of 1685050372 is about 1189.9744296932.

The spelling of 1685050372 in words is "one billion, six hundred eighty-five million, fifty thousand, three hundred seventy-two".